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Get URL query string parameters

... This is actually the best answer based on the question. The other answers only get the current URI whereas the question only specifies "from URL". – Chris Harrison Aug 29 '13 at 5:38 ...
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Setting PayPal return URL and making it auto return?

... if they don't have Auto Return enabled there, the buyer would need to manually click past the end of checkout in order to be redirected to that URL, rather than being redirected automatically. – SubGothius Aug 11 '16 at 20:58 ...
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Check if PHP session has already started

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines: ...
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PHP method chaining?

...g PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it? ...
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Test PHP headers with PHPUnit

...78 Error: Class 'PHPUnit_Util_Configuration' not found in - on line 378 Call Stack: 0.0013 582512 1. {main}() -:0 Try add this to your bootstrap file to fix it: <?php if (!defined('PHPUNIT_COMPOSER_INSTALL')) { define('PHPUNIT_COMPOSER_INSTALL', __DIR__ . '/path/to/composer/ven...
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How can I prevent SQL injection in PHP?

...is way it is impossible for an attacker to inject malicious SQL. You basically have two options to achieve this: Using PDO (for any supported database driver): $stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name'); $stmt->execute([ 'name' => $name ]); foreach ($stmt as $...
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Getting the first character of a string with $str[0]

...am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in all respects – to use this notation? ...
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How do I pass parameters into a PHP script through a webpage?

I am calling a PHP script whenever a webpage loads. However, there is a parameter that the PHP script needs to run (which I normally pass through the command line when I am testing the script). ...
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PDO closing connection

... close the connection, you need to destroy the object by ensuring that all remaining references to it are deleted--you do this by assigning NULL to the variable that holds the object. If you don't do this explicitly, PHP will automatically close the connection when your script ends. Note...
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How do you debug PHP scripts? [closed]

...r_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south. share ...